g-oodson



(No Model.) I 2 Sheets-Sheet 2.

R. GOODSON.

EVAPORATOR.

No. 885,515. Patentedqune 28,1887.

INVENTOR WITNESSE YATTORNBIYSLL UNITED STAT S PATENT OFFICE.

Burns Goonson'or BARNESVILLE, MIssounI.

EVAPORATOR.

SPECIFICATION forming part of Letters Patent No. 365,515, dated June 28,1887.

Application filed January 5, 1887. Serial No. 223,499. (No model.)

To all whom it may concern:

Be it known that I, Burns GooDsoN, of Barnesville, in the county ofMacon and State of Missouri, have invented a new and ImprovedEvaporator, of which the following is a full, clear, and exactdescription.

My invention relates to that class of evaporators used for defecating orpurifying saccha rine juices, and hasfor its object to provide asimple,inexpensive,efficient, and easily-haudled apparatus of thischaracter.

The invention consists in certain novel'features of construction andcombinations of parts of the evaporator, all as hereinafter fullydescribed and claimed.

Reference is to be had to the accompanying drawings, forming a part ofthis specification, in which similar letters of reference indicatecorresponding parts in all the figures.

Figure 1 is an elevation of the evaporator at the open side of thefurnace, the troughs and some of the pans being removed. Fig. 2 is aplan view thereof, some of the pans being removed and the troughs shownin full lines at one side of the furnace and in dotted lines at theother side. Fig. 3 is a vertical sectional elevation taken on the liners0c of Fig. 4, and with the flue of the furnace partly broken away; andFig. 4 is a plan view of the furnace,

the pan-carriage being removed.

The evaporator-furnace body A is made preferably cylindrical or annularin general form, but with a segment removed to provide an open space, B,at one side, formed by two end walls, I) b, which connect at their outeredges with the outer wall, a, of the furnace and at their inner edgeswith its inner wall, a',which may be round, but preferablyhasthesix-sided or polygonal form (shown clearly in Fig. 4 of the drawings.)

In the end wall, I), of the furnace there are fitted fire and ash-pitdoors 0 D, respectively, which close openings through which fuel of anysuitable kind may be passed onto a grate, E, and ashes may be removed.The draft-flue F of the furnace has an opening at its base, asatf, whereit communicates with the interior heat ing space or chamber, a of thefurnace as, near as may be to the other end wall, b,.of the furnace, andwhereby the heat from afire on the grateE will be compelled to travelclear around the furnace to the draft-flue,-and with agradually-decreasing temperature from the grate to the flue, whichlatter passesup through the central space, G, bounded by the inner wall,a, of the furnace.

To the furnace-body at and around its top there are fixed by suitablefastening-lugs an outer ring or track, H, and an inner ring or track, I,and on these tracks the wheels h i, respectively, of the pan-carriage Jare adapted to run. The frame or body of this carriage comprises innerand outer rings, j j,connected by radiating arms or spokesj, providedwith suitable slots to accommodate the wheels h i, and bearings for theaxles of said wheels,and to the outer carriage-ring, j, and preferablyin line'wit-h the spokes and the wheels, there are fixed handles K, bygrasping which the carriage may be turned on top of the furnace. Ribsj",rising from the center of the carriage-spokes, form guides .or stopsagainst which the ends of the evaporating-pans L fit, while the innerparts of the pans rest on the inner ring, j, and their outer parts onthe outer ring, j, of the carriage, and whereby the bottoms of the pansform a top Wall to the furnace; or, if desired, the furnace may beprovided with its own top wall, as indicated by dotted lines at 9 inFig. 3 of the drawings. The pans Lare made with vertical end and innerwalls or sides, and with their outer rounding side made flaring upwardabout at an angle of forty-five degrees to admit of readily skimming'thesaccharine juices into a leaden trough or troughs, M, shown fixed to thecarriage immediately under the outer edges or sides of the pans; but thetroughs may be held to the body of the furnace. The tracks H I areprovided with depressions h 6, respectively, into which thecarriage-wheels are adapted to rest, and thereby allow the carriage J torest closely on top of the furnace-walls to confine the heat within thefurnace beneath the pans, and as the carriage is turned by its handles Ka distance equaling that between the adjacent rollers all the pans willhave been turned around for a space equaling the length of one of thepans, the entire carriage and pans being lifted a little from the top ofthe furnace as the wheels travel over the tracks between theirdepressions, and as will be understood from Fig. 3 of the drawings. Thepans may thus be turned to bring each successively over the hottest andgradually to the cooler portions of the furnace. 5 The operation of theevaporator is as follows: The pan L, immediately over the open space 13at the side of the furnace, is filled with juice, and the entirecarriage will be turned to bring this pan over the grate E to boil thejuice, and as this is accomplished the next following pan, which hadbeen filled over the space B while the first one was boiling, will inturn be carried directly over the furnace-fire by turning the carriageJ, and so on, the entire series of pans beingin turn subjected toboiling heat, and being gradually moved around as the juice thickenstoward the cooler parts of the furnaceto prevent burning of the juice.It will be noticed that the circular or generally rounding form of thefun nace and the location of the flue-connection at f nextthe inner wallof the furnace induces the greatest flow of heat toward the innerfurnacewall all around from the grate to the fine, and this makes thejuices in the pans boil from the inner toward the outer walls or sidesof the pans, thereby carrying the impurities toward the outer sides ofthe pans automatically, and so they may readily be skimmed off into thetrough below. The gradually broadening shape of the pans favors greatlythis outward flow of the impurities, and the result is a practicalself-defecation of thejuice, entailing very little labor by comparisonwith other methods of purification.

The evaporator shown has space for six pans on the carriage, one of thepans being over the space 13 at the side of the furnace, where it' willnot be subjected to heat, and allowing the finished juice to be drawnfrom it, while thejuice in the other five pans is in as many difierentstages of defecation; but it is obvious that the evaporator may be madelarger in diameter or oblong in shape, to accommodate a greater orlesser number of pans, as the work to be done may require, and, ifdesired, there may be more than one of the spaces B around the side oflarger furnaces.

During evaporation of the juice the paucarriage may be turned backwardat any time to subject any one or more of the pans to a greater degreeof heat, should it be found desirable, as will readily be understood.

Having thus fully described my invention, I claim as new and desire tosecure by Letters Patent- 1. An evaporator made with a furnace-body, A,formed with walls a a I) 1), providing an approximately annularcombustion-chamber, as a, and a side space 01' opening, B, a fire grateor pot, as E, next the wall I), and a fine, F, communicating with thechamber a through the inner wall, a, substantially as shown anddescribed.

2. The combination, in an evaporator, of a furnace body, A, having acircuitous combustion-chamber, as a tracks held to the body, a rotatablecarriage mounted on the tracks, and said tracks provided withdepressions at intervals,substantially as shown and described, wherebyas the carriage rests in the track-depressions it will, with pans heldby it, close the top of the furnace to confine the heat, and as thecarriage is turned it will,with the pans, be raised on the tracksbetween the depressions thereof, as herein set forth.

3. The combination, in an evaporator, of a furnace-body, A, having acombustion-chamber, as a, tracks H I, held to said body, a carriage, asJ, fitting the tracks, and pans L, placed on the carriage and made widerat their cuter than at their inner parts, substantially as shown anddescribed.

4. The combination, in an evaporator, of a furnace-body, A, providedwith a combustionchamber, as a", tracks H I, held to the body andprovided with depressions h i, respect ively, and a carriage,J, havi ngwheels h i, fitting the tracks [I I and adapted to their depres sions,substantially as shown and described.

5. The combination, in an evaporator, with a furnacebody, A, having acomlmstion-chamher, as (f, ot'a rotatable carriage, J, mounted on thebody and made with pansupportsjj j and pans L on the carriage, closingthe top 9 of the chamber a and having a gradually broadening upper edge, substantially as shown and described.

6. In an evaporator, the rotatable pan-carriage made with rings j j,connected by spokes .3, wheels h i,.adaptcd to tracks on a furnace,

and handles K, substantially as shown and described.

7. In an evaporator, the combination, with a furnace-body, as A, arotatable carriage, J, mounted thereon, and pans, as L, placed on thecarriage, of troughs M, adapted to receive the scum from the pans,substantially as shown and described.

8. An evaporator constructed substantially as herein shown anddescribed, and comprising a furnace-body, A, having a combustionchamber, a and side opening or space, B, a fire grate or pot, E, and adue, F, placed, respectively, at opposite ends of the chamber a", trackson the body A, a rotatable carriage, J, adapted to the tracks, pans L,made broader at their outer sides and fitted on the carriage, andtroughs M on the carriage below the pans, all arranged for operation asand for the purposes set forth.

RUFUS GOODSON.

Vitncsses:

W. J. Ownvcs, \V. A. GRIFFIN.

